1. What is the opposite of 1/2 ? 2. What is the reciprocal of 1/2 ?

3. What is the reciprocal of 3?

4. What is the reciprocal of 5/6?

5. What is the opposite of 4?

6. What is the opposite reciprocal of 2/3 ?

7. What is the opposite reciprocal of 2?

8. What do you know about the slopes of parallel lines?

9. What do you know about the slopes of perpendicular lines?

10. What is the equation of a line that is perpendicular to `y=-\frac{2}{3}x\ +7`